Eye Bolts

FORGED EYE BOLT WARNING

AND APPLICATION INSTRUCTIONS

W A R N I N G

• Loads may slip or fall if proper eye bolt

assembly and lifting procedures are not
used.
• A falling load can seriously injure or kill.
• Read, understand both sides of these
Regular Nut Eye Bolt Shoulder Nut Eye Bolt Machinery Eye Bolt instructions, and follow all eye bolt safety
G-291 G-277 G-279 information presented here.

Important Safety Information — • Read, understand, and follow information

in diagrams and charts below before using
Read and Follow eye bolt assemblies.
Inspection / Maintenance Safety:
• Always inspect eye bolt before use.
• Never use eye bolt that shows signs of wear or damage.
• Never use eye bolt if eye or shank is bent or elongated.
• Always be sure threads on shank and receiving holes are
clean.
• Never machine, grind, or cut eye bolt.
Shoulder Nut Eye Bolt —
Assembly Safety:
Installation for Angular Loading
• Never exceed load limits specified in Table I.
• Never use regular nut eye bolts for angular lifts.
• Always use shoulder nut eye bolts (or machinery eye IN - LINE • The threaded
bolts) for angular lifts. shank must protrude
through the load
• For angular lifts, adjust working load as follows:
sufficiently to allow
Direction of Pull Adjusted Working Load full engagement of
45 degrees 30% of rated working load the nut.
90 degrees 25% of rated working load
• If the eye bolt protrudes
• Never undercut eye bolt to seat shoulder against the so far through the load
load. that the nut cannot be
tightened securely
• Always countersink receiving hole or use washers to
against the load, use
seat shoulder.
properly sized washers
• Always screw eye bolt down completely for proper seating. to take up the excess
• Always tighten nuts securely against the load. space BETWEEN THE
NUT AND THE LOAD.
Table I (In-Line Load)
Size Working Load Limit • Thickness of spacers • Place washers or
(in.) (lbs.) must exceed this spacers between nut
distance between and load so that when
1/4 650
the bottom of the the nut is tightened
5/16 1200
load and the last securely, the shoulder
3/8 1550 thread of the is secured flush against
1/2 2600 eye bolt. the load surface.
5/8 5200
3/4 7200
7/8 10600
1 13300
1-1/4 21000
1-1/2 24000

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 Eye Bolts

IMPORTANT — Read and understand these instructions

before using eye bolts.
Regular Nut & Shoulder Nut Eye Bolt – Installation for In-line Loading
Right Right Right Wrong
Tighten
Hex Nut
Securely
Against
More than Load
one eye bolt
diameter of
One eye
threads, only
bolt diameter
(1) nut Tap Depth:
of threads or 2 x Diameter
required. 2.5 x Diameter
less, use two (Minimum)
(2) nuts.

One eye bolt

Tighten hex nut Tighten hex nut diameter or less
securely against load securely against load

Operating Safety
• Always inspect eye bolt before use. • Never exceed the capacity of the eyebolt – See Table 1.
• Always lift load with steady, even pull – do not jerk. • When using lifting slings of two or more legs, make sure
• Always apply load to eye bolt in the plane of the eye, the loads in the legs are calculated using the angle from
not at an angle. the vertical to the leg and properly size the shoulder nut
or machinery eye bolt for the angular load.

Do not reeve slings WRONG After slings have been Buckling may occur if
from one eye bolt properly attached to the loads is not stiff
to another. This will the eye bolts, apply enough to resist the
alter the load and force slowly. Watch the compressive forces
Resultant Load
angle of loading on load carefully and be which result from
the eye bolt. prepared to stop the angular
applying force loading.
if the load
starts buckling.

Machinery Eye Bolt – Installation for In-line & Angular Loading

These eye bolts are primarily intended to be installed into Table II
tapped holes. Eye Bolt Shim Thickness Required
1. After the loads on the eye bolts have been calculated, Size to Change Rotation 90˚
(in.) (in.)
select the proper size eye bolt for the job.
1/4 .0125
For angular lifts, adjust working load as follows:
5/16 .0139
Direction of Pull Adjusted Working Load 3/8 .0156
45 degrees 30% of rated working load 1/2 .0192
90 degrees 25% of rated working load 5/8 .0227
3/4 .0250
2. Drill and tap the load to the correct sizes to a minimum 7/8 .0278
depth of one-half the eye bolt size beyond the shank 1 .0312
length of the machinery eye bolt. 1-1/4 .0357
3. Thread the eye bolt into the load until the shoulder is 1-1/2 .0417
flush and securely tightened against the load.
4. If the plane of the machinery eye bolt is not aligned with Shim added to change eye alignment 90˚
the sling line, estimate the amount of unthreading rota-
tion necessary to align the plane of the eye properly.
5. Remove the machinery eye bolt from the load and add
shims (washers) of proper thickness to adjust the
angle of the plane of the eye to match the sling line. Minimum tap depth is
Use Table II to estimate the required shim thickness for basic shank length plus
the amount of unthreading rotation required. one-half the nominal eye
bolt diameter.

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 Eye Bolts

REGULAR NUT EYE BOLTS

G
A D
F H
G-291
E
B C • Recommended for straight line pull.
• All Bolts Hot Dip galvanized after threading.
• Furnished with standard Hot Dip galvanized hex nuts.
SEE APPLICATION AND • Forged Steel—Quenched and Tempered.
! WARNING INFORMATION
Shank Working Weight Dimensions
G-291
Diameter Load Per (in.)
Stock No.
& Length Limit* 100
Galv. A B C D E F G H
(lbs.) (lbs.)
1/4 x2 1043230 650 8.20 .25 .50 1.00 .25 1.50 2.00 3.06 .56
1/4 x4 1043258 650 11.70 .25 .50 1.00 .25 2.50 4.00 5.06 .56
5/16 x 2 1/4 1043276 1200 13.30 .31 .62 1.25 .31 1.50 2.25 3.56 .69
5/16 x 4 1/4 1043294 1200 25.00 .31 .62 1.25 .31 2.50 4.25 5.56 .69
3/8 x 2 1/2 1043310 1550 23.30 .38 .75 1.50 .38 1.50 2.50 4.12 .88
3/8 x 4 1/2 1043338 1550 29.50 .38 .75 1.50 .38 2.50 4.50 6.12 .88
3/8 x6 1043356 1550 35.20 .38 .75 1.50 .38 2.50 6.00 7.62 .88
1/2 x 3 1/4 1043374 2600 50.30 .50 1.00 2.00 .50 1.50 3.25 5.38 1.12
1/2 x6 1043392 2600 66.10 .50 1.00 2.00 .50 3.00 6.00 8.12 1.12
1/2 x8 1043418 2600 82.00 .50 1.00 2.00 .50 3.00 8.00 10.12 1.12
1/2 x 10 1043436 2600 88.00 .50 1.00 2.00 .50 3.00 10.00 12.12 1.12
1/2 x 12 1043454 2600 114.20 .50 1.00 2.00 .50 3.00 12.00 14.12 1.12
5/8 x4 1043472 5200 103.10 .62 1.25 2.50 .62 2.00 4.00 6.69 1.44
5/8 x6 1043490 5200 118.20 .62 1.25 2.50 .62 3.00 6.00 8.69 1.44
5/8 x8 1043515 5200 135.10 .62 1.25 2.50 .62 3.00 8.00 10.69 1.44
5/8 x 10 1043533 5200 153.60 .62 1.25 2.50 .62 3.00 10.00 12.69 1.44
5/8 x 12 1043551 5200 167.10 .62 1.25 2.50 .62 4.00 12.00 14.69 1.44
3/4 x 4 1/2 1043579 7200 168.60 .75 1.50 3.00 .75 2.00 4.50 7.69 1.69
3/4 x6 1043597 7200 184.50 .75 1.50 3.00 .75 3.00 6.00 9.19 1.69
3/4 x8 1043613 7200 207.90 .75 1.50 3.00 .75 3.00 8.00 11.19 1.69
3/4 x 10 1043631 7200 235.00 .75 1.50 3.00 .75 3.00 10.00 13.19 1.69
3/4 x 12 1043659 7200 257.50 .75 1.50 3.00 .75 4.00 12.00 15.19 1.69
3/4 x 15 1043677 7200 298.00 .75 1.50 3.00 .75 5.00 15.00 18.19 1.69
7/8 x5 1043695 10600 270.00 .88 1.75 3.50 .88 2.50 5.00 8.75 2.00
7/8 x8 1043711 10600 308.00 .88 1.75 3.50 .88 4.00 8.00 11.75 2.00
7/8 x 12 1043739 10600 400.00 .88 1.75 3.50 .88 4.00 12.00 15.75 2.00
1x6 1043757 13300 421.00 1.00 2.00 4.00 1.00 3.00 6.00 10.31 2.31
1x9 1043775 13300 468.50 1.00 2.00 4.00 1.00 4.00 9.00 13.31 2.31
1 x 12 1043793 13300 540.00 1.00 2.00 4.00 1.00 4.00 12.00 16.31 2.31
1 x 18 1043819 13300 650.00 1.00 2.00 4.00 1.00 7.00 18.00 22.31 2.31
1 1/4 x 8 1043837 21000 750.00 1.25 2.50 5.00 1.25 4.00 8.00 13.38 2.88
1 1/4 x 12 1043855 21000 900.00 1.25 2.50 5.00 1.25 4.00 12.00 17.38 2.88
1 1/4 x 20 1043873 21000 1210.00 1.25 2.50 5.00 1.25 6.00 20.00 25.38 2.88
*Ultimate Load is 5 times the Working Load Limit.

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Eye Bolts

SEE APPLICATION AND

! WARNING INFORMATION

J G-277
G
A D
F H SHOULDER NUT EYE BOLTS
E
• Forged Steel.
B C • Hot Dip galvanized.
• Furnished with standard Hot Dip galvanized, heavy hex nuts.

Shank Working Dimensions

Diameter G-277 Load Weight
(in.)
& Length Stock No. Limit* Per 100
(in.) Galv. (lbs.) (lbs.) A B C D E F G H J
1/4 x 2 1045014 650 6.60 .25 .50 .88 .19 1.50 2.00 2.94 .50 .47
1/4 x 4 1045032 650 9.10 .25 .50 .88 .19 2.50 4.00 4.94 .50 .47
5/16 x 2 1/4 1045050 1200 12.50 .31 .62 1.12 .25 1.50 2.25 3.50 .69 .56
5/16 x 4 1/4 1045078 1200 18.80 .31 .62 1.12 .25 2.50 4.25 5.50 .69 .56
3/8 x 2 1/2 1045096 1550 21.40 .38 .75 1.38 .31 1.50 2.50 3.97 .78 .66
3/8 x 4 1/2 1045112 1550 25.30 .38 .75 1.38 .31 2.50 4.50 5.97 .78 .66
1/2 x 3 1/4 1045130 2600 42.60 .50 1.00 1.75 .38 1.50 3.25 5.12 1.00 .91
1/2 x 6 1045158 2600 56.60 .50 1.00 1.75 .38 3.00 6.00 7.88 1.00 .91
5/8 x 4 1045176 5200 68.60 .62 1.25 2.25 .50 2.00 4.00 6.44 1.31 1.12
5/8 x 6 1045194 5200 102.40 .62 1.25 2.25 .50 3.00 6.00 8.44 1.31 1.12
3/4 x 4 1/2 1045210 7200 144.50 .75 1.50 2.75 .62 2.00 4.50 7.44 1.56 1.38
3/4 x 6 1045238 7200 167.50 .75 1.50 2.75 .62 3.00 6.00 8.94 1.56 1.38
7/8 x 5 1045256 10600 225.00 .88 1.75 3.25 .75 2.50 5.00 8.47 1.84 1.56
1x6 1045292 13300 366.30 1.00 2.00 3.75 .88 3.00 6.00 9.97 2.09 1.81
1x9 1045318 13300 422.50 1.00 2.00 3.75 .88 4.00 9.00 12.97 2.09 1.81
1 1/4 x 8 1045336 21000 650.00 1.25 2.50 4.50 1.00 4.00 8.00 12.72 2.47 2.28
1 1/4 x 12 1045354 21000 795.00 1.25 2.50 4.50 1.00 4.00 12.00 16.72 2.47 2.28
1 1/2 x 15 1045372 24000 1425.00 1.50 3.00 5.50 1.25 6.00 15.00 20.75 3.00 2.75
*Ultimate Load is 5 times the Working Load Limit.

H J

G-275 E
D
C
SCREW EYE BOLTS B

• Forged Steel—Quenched and Tempered. A F G

• Hot Dip galvanized.

Shank Dimensions
Diameter G-275 Weight
(in.)
& Length Stock No. Per 100
(in.) Galv. (lbs.) A B C D E F G H J
1/4 x 2 1046111 4.30 .25 1.50 2.00 2.50 2.94 .50 .88 .19 .47
5/16 x 2 1/4 1046139 12.50 .31 1.69 2.25 2.94 3.50 .63 1.13 .25 .56
3/ 8 x 2 1/2 1046157 19.00 .38 1.88 2.50 3.28 3.97 .75 1.38 .31 .66
1/ 2 x 3 1/4 1046175 37.50 .50 2.44 3.25 4.25 5.12 1.00 1.75 .38 .91
5/ 8 x 4 1046193 75.00 .62 3.00 4.00 5.31 6.44 1.25 2.25 .50 1.12

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 Eye Bolts

SHOULDER TYPE MACHINERY EYE BOLTS

F G

B H

A D C

S-279

• Forged Steel—Quenched and Tempered.

SEE APPLICATION AND • Recommended for straight line pull.
! WARNING INFORMATION • Working Load Limits shown are for In-line pull.
• Fatigue rated at 1 1/ 2 times the Working Load Limit
at 20,000 cycles.

Working Dimensions
Load Weight (in.)
Size Stock No. Limit* Per 100
(lbs.) (lbs.) A B C D E F G
1/4 x1 9900182 650 5.00 1/4 - 20 1.02 1.13 .75 2.29 .19 .53
5/16 x 11/8 9900191 1200 9.00 5/16 - 18 1.15 1.38 .88 2.74 .25 .59
3/8 x 1 1/ 4 9900208 1550 15.00 3/8 - 16 1.27 1.62 1.00 3.07 .31 .69
1/2 x 1 1/2 9900217 2600 28.00 1/2 - 13 1.53 1.95 1.19 3.70 .38 .91
5/8 x 1 3/4 9900226 5200 55.00 5/8 - 11 1.79 2.38 1.38 4.45 .50 1.13
3/4 x 2 9900235 7200 96.00 3/4 - 10 2.05 2.76 1.50 5.07 .63 1.38
7/8 x 2 1/4 9900244 10600 154.00 7/8 -9 2.31 3.25 1.75 5.87 .75 1.56
1 x 2 1/2 9900253 13300 238.00 1-8 2.57 3.76 2.00 6.66 .88 1.81
1 1/4 x 3 9900262 21000 399.00 1 1/4 - 7 3.09 4.50 2.50 7.95 1.00 2.28
1 1/2 x 3 1/2 9900271 24000 720.00 1 1/2 - 6 3.60 5.50 3.00 9.49 1.25 2.75
* Ultimate Load is 5 times the Working Load Limit.
**All bolts threaded UNC.

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